<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <script src="./OpenCostFile.js"></script>
</head>
<body>
<div style="text-align: center;margin-top: 300px">
    <input id="text" style="width: 500px;height: 30px"><br>
    <button id='button' >点我打开</button>
</div>

</body>
</html>